/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsHyphenator_h_
#define nsHyphenator_h_

#include "mozilla/ipc/SharedMemoryHandle.h"
#include "mozilla/ipc/SharedMemoryMapping.h"
#include "mozilla/Span.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/Variant.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsTArray.h"

class nsIURI;
struct HyphDic;
struct CompiledData;

namespace std {
template <>
struct default_delete<const HyphDic> {
  void operator()(const HyphDic* ptr) const;
};

template <>
struct default_delete<const CompiledData> {
  void operator()(const CompiledData* ptr) const;
};
}  // namespace std

class nsHyphenator {
 public:
  nsHyphenator(nsIURI* aURI, bool aHyphenateCapitalized);

  NS_INLINE_DECL_REFCOUNTING(nsHyphenator)

  bool IsValid();

  nsresult Hyphenate(const nsAString& aText, nsTArray<bool>& aHyphens);

  mozilla::ipc::ReadOnlySharedMemoryHandle CloneHandle();

 private:
  ~nsHyphenator() = default;

  void HyphenateWord(const nsAString& aString, uint32_t aStart, uint32_t aLimit,
                     nsTArray<bool>& aHyphens);

  mozilla::Variant<
      mozilla::Span<const uint8_t>,  // raw pointer to uncompressed omnijar data
      mozilla::ipc::ReadOnlySharedMemoryHandle,   // shmem handle, in the parent
      mozilla::ipc::ReadOnlySharedMemoryMapping,  // mapped shmem, in the child
      mozilla::UniquePtr<const HyphDic>           // loaded by mapped_hyph
      >
      mDict;
  bool mHyphenateCapitalized;
};

#endif  // nsHyphenator_h_